/Engine/Plugins/Runtime/MassEntity/Source/MassEntity/Public/MassProcessingTypes.h
enum EProcessorExecutionFlags { None = 0, Standalone = 1 << 0, Server = 1 << 1, Client = 1 << 2, Editor = 1 << 3, AllNetModes = Standalone | Server | Client, All = Standalone | Server | Client | Editor, }